cordierite ceramics堇青石: iolite; steinheilite; jolite ...陶瓷: pottery and porcelain; ceram ...学: study; learn堇青石: iolite; steinheilite; jolite; cordierite; dichroite; lynx sapphire堇青石白坯陶瓷制品: cordierite whiteware下载手机词典可随时随地查词查翻译